Description

Imidodisulfurylfluoride (CAS No. 14984-73-7) is a highly specialized chemical compound with the molecular formula F₂HNO₄S₂. Also known by its IUPAC name N-fluorosulfonylsulfamoyl fluoride, this compound is a valuable reagent in advanced chemical synthesis and material science applications. Its unique structure, featuring dual fluorosulfonyl groups, makes it an excellent candidate for electrophilic fluorination and as a precursor in the preparation of ionic liquids and battery electrolytes. Imidodisulfurylfluoride is supplied as a high-purity (>98%) liquid or solid, ensuring consistency and reliability for research and industrial processes. Proper handling under inert conditions is recommended due to its reactive nature.

Properties

• CAS Number: 14984-73-7
• Complexity: 231
• IUPAC Name: N-fluorosulfonylsulfamoyl fluoride
• InChI: InChI=1S/F2HNO4S2/c1-8(4,5)3-9(2,6)7/h3H
• InChI Key: KTQDYGVEEFGIIL-UHFFFAOYSA-N
• Exact Mass: 180.93150618
• Molecular Formula: F2HNO4S2
• Molecular Weight: 181.14
• SMILES: N(S(=O)(=O)F)S(=O)(=O)F
• Topological: 97.1
• Monoisotopic Mass: 180.93150618
• Synonyms: imidodisulfurylfluoride, 14984-73-7, bis(fluorosulfonyl)imide, Bis(fluorosulfonyl)amine, FSI-, F2HNO4S2, SCHEMBL175585, SCHEMBL3259510, FI165152, NS00115004

Application

Imidodisulfurylfluoride is primarily used as a fluorinating agent in organic and inorganic synthesis, enabling the introduction of fluorine atoms into complex molecules. It serves as a key precursor in the development of high-performance electrolytes for lithium-ion batteries, particularly in the formulation of bis(fluorosulfonyl)imide (FSI) salts. Researchers also utilize this compound in the study of sulfonyl fluoride chemistry and as a building block for specialized polymers and ionic liquids.

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